
You're obviously a member of the FlyerTalk forums...
The Gate Lice are coming... the GATE LICE are coming...
IMO it's not the airline gate agents calling them gate lice, it's the frequent flyers.
Not always.
https://www.flyertalk.com/forum/uni...-ua-flight-attendant-called-me-gate-lice.html
http://www.flyertalk.com/forum/travelbuzz/1489775-new-boarding-system-eliminates-gate-lice.html
https://www.flyertalk.com/forum/uni...a-flight-attendant-called-me-gate-lice-7.html
https://www.dauntlessjaunter.com/2014/06/25/airline-lingo-and-slang/
From other postings that I can't find now, the origin of the term was attributed to gate agents.
Sure, other flyers adopted it too.

